package main.java.io;

import java.io.FileInputStream;
import java.io.IOException;

public class FISDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("E:\\51_home-work\\homework\\src\\main\\resource\\fos.txt");
        int d = fis.read();//读取数据存入d中
        System.out.println(d);
        fis.close();
    }
}
